Home / 7,169,852.09-9,894,271.28-3,906,693.65

Finding the Fourth Proportional to 7,169,852.09, 9,894,271.28 and 3,906,693.65

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Solution

The fourth proportional to 7,169,852.09, 9,894,271.28 and 3,906,693.65 is: 5,391,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,852.09 : 9,894,271.28 = 3,906,693.65 : x
  2. Step 2: Convert to fraction form
    7,169,852.09/9,894,271.28 = 3,906,693.65/x
  3. Step 3: Cross multiply
    7,169,852.09x = 9,894,271.28 × 3,906,693.65
  4. Step 4: Simplify right side
    7,169,852.09x = 38,653,886,711,948.55
  5. Step 5: Solve for x
    x = 38,653,886,711,948.55/7,169,852.09
  6. Step 6: Final answer
    x = 5,391,169.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.